It’s understood gardai fear her brother and intended target, convicted criminal Derek ‘Bottler’ Devoy, could be at high risk at the funeral mass at St Joseph’s Church in Ballymun.

It’s believed he will attend the service and a source said that despite his life being in danger, he has been seen around the area in recent days.

The source added: “The garda presence at the funeral will be very high. Devoy was the intended target and as has already been demonstrated by the gunmen who killed his sister, they are hell bent on getting him at any cost.

“If he goes to the funeral there is a high chance of him being targeted and therefore every precaution is being taken.

Antoinette Corbally

“He has not gone into hiding and is not running scared, despite his life being under threat.

“He is believed to have been extremely close to his sister and is devastated at her death.”

Gardai revealed how the killers stalked Devoy before a gunman mercilessly opened fire, killing innocent Antoinette, 48, and 30-year-old Clinton Shannon from Swords.